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Introduction of Volvo Penta TWD1644GE & TWD1645GE Engine

Jul. 16, 2018

Volvo Penta TWD1644GE and TWD1645GE are high power density engines based on the Heavy Duty Engine Platform 16L. The engines do meet exhaust emission regulation UNECE Reg 96 stage II level. The latest hardware and software technology have been introduced for those engines in order to secure high power output, reliability and durability.


PRODUCT SPECIFICATION



TWD1644GE

TWD1645GE

Power Output at 1500rpm

717KVA Standby

770KVA Standby

Power Output at 1800rpm

750KVA Standby

800KVA Standby



Product Features:


High power density

Fulfill UNECE Reg96 stage II exhaust emission level

Certified for:

USA: EPA Tier 2 Stationary Emergency

China: Stage III Mobile

Dual Speed 1500 & 1800 rpm

Latest Hardware and Software technology

EMS 2.3 engine control system

Heavy duty steel piston

Dual stage turbo

Electrohydraulic controlled turbo bypass valve

2 circuit cooling package

Water/air charged air cooling

Heavy duty wiring harness

Heavy duty frame

Volvo Penta TWD1644GE engine.jpg

 

Installation point of view


Very compact engine

Most competitors are delivering this power with engines having more than 20L in displacement

Smaller engine smaller canopy cost saving for OEMs

Minimal changes compared to TWD1643GE

Limited installation modification for OEMs

Performance

Low fuel consumption

Positive power tolerance

Improved hardware and software

Flexibility for OEMs

Can be operated @ 50 and 60 Hz markets

 

BASE ENGINE IMPROVEMENTS


DURING 2015 & 2016

Exhaust valve spring

Inlet valve stem seals

Fan hub bearings

Fuel feed pump

2 circuits cooling system

Cylinder liner sealing


IMPROVEMENTS ON TWD1644GE AND TWD1645GE


HARDWARE

Heavy duty steel piston

Heavy Duty Wiring harness

Electrohydraulic controlled turbo bypass valve

Heavy duty frame

Short oil filter

Removed piston cooling oil pressure sensor

Removed thermostat for Charge air cooling circuit – will be available for cold markets

SOFTWARE

EMS 2.3 engine control system

 

INSTALLATION FOOTPRINT COMPARED TO TWD1643GE


Front engine bracket reinforced and adopted to heavy duty frame.

Front footprint raised 138mm. Holes remains in position regarding width and length.

Crankcase ventilation, semi-open.


COMPARISON @ 770-800 kVA Standby



Displacement   (L)

Standby kVA

@50Hz

Standby kVA
  @ 60Hz

Volvo Penta

16.1

770

800

Scania

16.4

770

795

Perkins

23

820

800

Cummins

23.1

825

810

MTU

26.7

715-860

710-800

Doosan

21.9

820

820

 

COMPARISON with Scania

 


Volvo Penta

Scania

Engine

TWD1645GE

DC1672

Power Output @ 1500rpm

770KVA Standby

770KVA Standby

Power Output @ 1800rpm

800KVA Standby

795KVA Standby

Displacement

16.1 L

16.4 L

Emission fullfilment

UNECE Stage II



Volvo Penta.jpg


RATING DEFINITION



Volvo Penta

Scania

Prime

Ratings corresponding to ISO Standard Power for continuous operation. This relates to the supplying of electrical power at variable load with 70% load factor for an unlimited number of hours as opposed to commercially purchased power. A 10% overload capability is available with this rating.

For continous operation at varying load. Max mean load factor of 70% of rated   power over 24h of operation. 1 hour/12 hours period of accumulated peak   overload to 110%.

Standby

The   average power output during a 24h period shall not exceed 80%. Engine   operation500hrs per yea   whereof continous operation300hrs.

Max mean load factor of 70% of rated power over 24h of operation. Not for   applications intended for more than 200h/year.

To be updated based on testing results, DEC 2016.


Scania engine.jpg


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